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However, conditions may have been different in the past and could have influenced the rate of decay or formation of radioactive elements.
Evolutionists assume that the rate of cosmic bombardment of the atmosphere has always remained constant and that the rate of decay has remained constant.
What information is needed for a proper natural clock?
First of all we must look at the initial condition of the system that is to be measured.
In the early 1950s, scientists established theories for using the decay of radioactive potassium (Ar) as a clock for dating certain types of rocks.
It will also include the arguments for and against the accuracy of the dates for the age of the earth that are given by radioactive decay.
This will include a discussion of other methods that have been used in dating the earth.
As one of the most abundant isotopes in the earth’s crust, K is an ideal candidate to use as a “rock clock.” Out of a wide array of available test methods, K decays.
Figure 1 schematically illustrates these three processes.